<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>奔跑熊大</title>
    <style>
        body {
            background-color: #666;
        }
        div {
            position: absolute;
            width: 200px;
            height: 100px;
            background: url(../images/bear.png) no-repeat;
                        /* 可以添加多种动画用英文逗号隔开 */
            animation: bear .5s steps(8) infinite ,move 1s forwards;
        }
      @keyframes bear {
          0%{
            background-position: 0;
          }
          100% {
              background-position: -1600px 0;
          }
          
      }
      @keyframes move {
          0% {
             left: 0;
          }
          100% {
              left: 50%;
              /* margin-left: -100px; */
              transform: translatex(-50%);
          }
      }
    </style>
</head>
<body>
    <div></div>
</body>
</html>